WordPress NextGEN Gallery plugin version 2.1.10 suffers from a remote shell upload vulnerability.
c71fb2b79645cdc5f4d38e414f680173ec0b97d1f60ef3fde3e35e7b1d5b1dcf
Hi,
Details
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# Title : Malicious File Upload in NextGEN Gallery by Photocrati Version
2.1.10
# Affected Product : NextGEN Gallery by Photocrati Version 2.1.10
# Vendor Homepage: https://wordpress.org/plugins/nextgen-gallery/download/
# Vulnerability Type : Malicious File upload
# Risk : High
# POC URL :
https://github.com/cybersecurityworks/Disclosed/issues/6
# Video URL : https://www.youtube.com/watch?v=hMMG42HsgUA&feature=youtu.be
# Status : Fixed
# CVE-Assigned : No
Description
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Even though credentials are required to upload file into the server. any
new combined vulnerability can allow an attacker to Upload shell into the
server which gives entire root access of the server.
Technical Details
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1. Logon into any wordpress application (localhost or public host)
2. Move on to Next Gen Gallery plugin file upload option available on
products.
3. Upload JPG file to the server through file upload option.
4. Modify the file variable contains JPG extension to PHP. Also, edit
and add shell content to the name variable body containing JPG
information/content.
Advisory Timeline
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2015-09-04 – Discovered in NextGen Gallery 2.1.10 version.
2015-09-04 – Reported to plugins@wordpress.org
2015-09-04 – Vendor responded in the same.
2015-09-09 – Fixed in NextGen Gallery 2.1.15 version.
2015-10-27 – CVE Requested
Fix
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https://www.owasp.org/index.php/Unrestricted_File_Upload
Credits & Authors
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sathish@cybersecurityworks.com from cybersecurityworks Pvt Ltd
About Cybersecurityworks
================
Cybersecurity Works is basically an auditing company passionate working on
findings & reporting security flaws & vulnerabilities on web application
and network. As professionals, we handle each client differently based on
their unique requirements. Visit our website
http://www.cybersecurityworks.com/ for more information.
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Cheers !!!
Team CSW Research Lab <http://www.cybersecurityworks.com>